Paint Grade Internal FD30 44mm

Our paint grade FD30 fire doors are supplied unfinished or primed, giving you the freedom to decorate them on site and create a finish that matches your interior. Designed for residential, commercial and trade projects, these 44mm internal fire doors combine certified fire protection with a practical, cost-effective surface ready for painting.

The range includes plain flush doors and glazed designs in a choice of popular metric and imperial sizes. Whether you are replacing an existing internal door, renovating a property or ordering for a larger development, you can compare current sizes, glazing options, prices and stock availability above.

What Is a Paint Grade Fire Door?

A paint grade fire door is supplied with a smooth surface designed to be decorated after delivery. Depending on the product, the door may arrive unfinished or with a factory-applied primer that provides a suitable base for your chosen topcoat.

This gives you greater control over the final appearance of the door. Paint grade doors can be finished in white, black, neutral shades or a stronger feature colour to complement the surrounding walls, frames and interior décor.

Paint grade FD30 fire doors are particularly popular with contractors, landlords, developers and homeowners who want reliable fire-rated performance without paying for a fully finished surface that may not suit the completed project.

FD30 Fire Protection

The doors within this category carry an FD30 rating. When correctly installed as part of a suitable fire door assembly, an FD30 fire door is designed to resist the spread of fire for at least 30 minutes.

This additional protection can help contain fire within part of a building, protect escape routes and provide occupants with more time to leave safely. The door leaf is normally around 44mm thick, making it heavier and more substantial than a standard internal door.

The finish applied to a paint grade fire door does not determine its fire rating. Its performance depends on the tested construction of the complete assembly, including the door, frame, hinges, seals and any required closing hardware.

Paint Grade Fire Door Styles

Our range includes straightforward flush doors alongside several glazed configurations. The right option will depend on the appearance of the room, the amount of natural light required and the fire door specification for the opening.

Flush Paint Grade Fire Doors

Flush fire doors have a simple, smooth face that is easy to paint and works well in both traditional and modern interiors. Their understated design makes them suitable for homes, rental properties, offices, apartment developments and other commercial buildings.

A plain flush door is also a practical choice where several doors need to be decorated in the same colour. Once prepared and painted correctly, the doors can provide a clean and consistent finish throughout the property.

Glazed Paint Grade Fire Doors

Glazed paint grade fire doors allow light to pass between rooms while maintaining the required level of fire protection. They can be useful in hallways, offices, communal areas and other spaces where visibility or borrowed light is important.

The glass and glazing system must form part of the approved fire-rated door construction. Ordinary glass should not be added to a fire door after purchase unless the work is completed in accordance with the relevant certification and manufacturer guidance.

Preparing and Painting Your Fire Door

Before decorating the door, check the product instructions carefully. An unfinished paint grade surface will normally require light sanding, suitable primer and one or more topcoats to achieve a durable, even finish.

Any exposed timber created during permitted trimming must also be sealed and decorated. This helps protect the door from moisture and supports the long-term condition of the door leaf and its edges.

Apply paint evenly and avoid covering certification labels, seals or other identifying marks. These details can provide important information about the manufacturer, fire rating and traceability of the door.

Painting instructions may differ between products, so always follow the guidance supplied with the specific door rather than applying the same preparation method across the entire range.

Door Construction and Lippings

Construction varies between the products shown above, but paint grade FD30 doors generally use a solid engineered core designed to provide strength, stability and tested fire resistance.

Many models include timber lippings around the edge of the door. These provide a durable surface for fitting hinges and hardware and may allow a limited amount of trimming to suit the opening.

The available trimming allowance depends on the door design and the depth of its lippings. It should always be confirmed from the individual product specification before any material is removed.

Can Paint Grade Fire Doors Be Trimmed?

Many paint grade fire doors can be trimmed slightly, but the permitted amount varies between manufacturers and individual products. Some doors allow material to be removed from the bottom and long edges, while the top edge may need to remain untouched.

Never assume that a standard trimming allowance applies to every fire door. Removing too much material can expose the core, reduce the strength of the edge and invalidate the door’s fire certification.

Measure the existing opening carefully before ordering and check the stated size and trimming information on the relevant product page. Where the opening is significantly smaller or irregular, adjusting the frame or selecting another size may be safer than heavily trimming the door.

Frames, Seals and Fire-Rated Hardware

A certified fire door leaf must be fitted into a compatible fire-rated frame or lining and used with suitable hinges, seals and hardware. These components work together to provide the intended level of protection.

Intumescent strips are normally fitted around the door or frame. When exposed to heat, they expand and help seal the gap between the door and frame. Combined intumescent and smoke seals may be required where protection against smoke is also needed.

The installation may also require fire-rated hinges, a compatible latch and a self-closing device. Exact requirements depend on the location of the door, the building type and the applicable fire safety specification.

Choosing the Right Paint Grade FD30 Fire Door

Begin by confirming that an FD30 fire door is suitable for the opening. You should then measure the height, width and required thickness and compare those measurements with the available metric and imperial sizes.

Decide whether you need a plain flush door or a glazed design, and check whether the product is supplied unfinished or pre-primed. A primed door may require less preparation, while an unfinished option can provide more flexibility over the completed surface.

You should also review the construction, trimming allowance and required hardware before ordering. Choosing the right door at this stage can make installation easier and reduce the risk of altering the product beyond its certified limits.

Buy Paint Grade FD30 Fire Doors Online

Browse our paint grade FD30 fire doors above to compare designs, sizes, glazing options and current prices. Each product page provides more detailed information about its finish, construction, dimensions and permitted trimming allowances.

Doors Galore supplies internal fire doors for domestic, commercial and trade projects, with delivery available throughout the UK mainland. For help choosing a suitable paint grade fire door, contact our team before placing your order.

Frequently Asked Questions

What does paint grade mean?

Paint grade means the door has been supplied with a surface intended to be painted. It may be unfinished or factory primed, depending on the product selected.

Can I paint a paint grade fire door any colour?

Yes, paint grade doors can normally be decorated in your preferred colour. Follow the manufacturer’s preparation and finishing guidance and avoid covering certification labels or seals.

Do paint grade fire doors come primed?

Some products are supplied primed, while others arrive unfinished. Check the individual product description to confirm how much preparation will be required.

Can an FD30 fire door be trimmed?

Many FD30 doors permit limited trimming, but the allowance varies. Always check the product specification before cutting any edge of the door.

Do I need a fire-rated frame?

Yes. The door must be fitted with a compatible fire-rated frame or lining, suitable seals, hinges and any other hardware required for the complete installation.